113389963 has 8 divisors (see below), whose sum is σ = 114832656. Its totient is φ = 111955200.

The previous prime is 113389921. The next prime is 113389979. The reversal of 113389963 is 369983311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113389963 - 2²⁵ = 79835531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113389363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29968 + ... + 33538.

It is an arithmetic number, because the mean of its divisors is an integer number (14354082).

Almost surely, 2^113389963 is an apocalyptic number.

113389963 is a deficient number, since it is larger than the sum of its proper divisors (1442693).

113389963 is a wasteful number, since it uses less digits than its factorization.

113389963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965.

The product of its digits is 104976, while the sum is 43.

The square root of 113389963 is about 10648.4723317479. The cubic root of 113389963 is about 484.0143129775.

The spelling of 113389963 in words is "one hundred thirteen million, three hundred eighty-nine thousand, nine hundred sixty-three".